added opt-handler gen script

Author: shiv19

src/scripts/opt-handler-gen.sh

@@ -0,0 +1,14 @@
+eval 'mkdir $1 && touch ./$1/$1-handler.ts && touch ./$1/$1-handler.d.ts'
+eval 'cat <<EOT >> ./$1/$1-handler.ts
+import { optionsBuilder } from "../helpers/helpers";
+import { isAndroid } from "@nativescript/core";
+
+export function $1Handler($1Options) {
+  const $1 = isAndroid ? new com.highsoft.highcharts.common.hichartsclasses.HI$1() : new HI$1();
+
+  const $1Schema = {
+  };
+
+  return optionsBuilder($1Schema, $1Options, $1);
+}
+EOT'